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module ActionDispatch
# This is a class that abstracts away an asserted response.
# It purposely does not inherit from Response, because it doesn't need it.
# That means it does not have headers or a body.
#
# As an input to the initializer, we take a Fixnum, a String, or a Symbol.
# If it's a Fixnum or String, we figure out what its symbolized name.
# If it's a Symbol, we figure out what its corresponding code is.
# The resulting code will be a Fixnum, for real HTTP codes, and it will
# be a String for the pseudo-HTTP codes, such as:
# :success, :missing, :redirect and :error
class AssertionResponse
attr_reader :code, :name
GENERIC_RESPONSE_CODES = { # :nodoc:
success: "2XX",
missing: "404",
redirect: "3XX",
error: "5XX"
}
def initialize(code_or_name)
if code_or_name.is_a?(Symbol)
@name = code_or_name
@code = code_from_name(code_or_name)
else
@name = name_from_code(code_or_name)
@code = code_or_name
end
raise ArgumentError, "Invalid response name: #{name}" if @code.nil?
raise ArgumentError, "Invalid response code: #{code}" if @name.nil?
end
def code_and_name
"#{code}: #{name}"
end
private
def code_from_name(name)
GENERIC_RESPONSE_CODES[name] || Rack::Utils::SYMBOL_TO_STATUS_CODE[name]
end
def name_from_code(code)
GENERIC_RESPONSE_CODES.invert[code] || Rack::Utils::HTTP_STATUS_CODES[code]
end
end
end
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